Genuine BMW part 13 52 2 249 624: Guide rail. The number stamped on the part is 13522249624; BMW's catalog files it under the short number 2249624. You will find it on our Air Intake shelf, under Other Fuel preparation and control parts.
It fits every E46 body style (318d, 318td, 320d, 320td and 330d, 2001–2005), with the M47N or M57N engines.
BMW draws it on 2 diagrams, among them Timing - Timing Chain Lower P (11_3318) and Timing - Timing Chain Lower P (11_3462). It weighs about 40 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
